The machine did have punched card input and output and ... that simulate more of the device. For some deep history on the construction and early use of ENIAC, you might also enjoy the video ...

ENIAC filled an entire room. With its bank of blinking lights and 6,000 manual switches, it looked like something we'd associate with a 1950s science fiction movie. Probably because it's what ...

As a stand-alone device, it didn't support networking ... and program pulses throughout the machine. They would input a program into ENIAC using a combination of plugboard wiring and three ...

This was not a dream of science fiction, but a representation of ENIAC (Electronic Numerical Integrator Analyzer and Computer), the gigantic machine credited with starting the modern computer age.